document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=963349>Question 963349</A>: <I><SPAN STYLE=\"word-break: break-all;\"> At 20 degrees C, the speed of sound is approximately 344 m/s. The lower limit of sound waves audible to the human ear is about 0.0172 m. What is the frequency of these sound waves?<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #588526 by </B><A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><B>ankor@dixie-net.com(22740)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/cgi-bin/show-face.mpl?user=ankor@dixie-net.com><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=588526\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\">  At 20 degrees C, the speed of sound is approximately 344 m/s.<BR>\n" );
document.write( " The lower limit of sound waves audible to the human ear is about 0.0172 m.<BR>\n" );
document.write( " What is the frequency of these sound waves?<BR>\n" );
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document.write( "Wave-length = velocity/frequency<BR>\n" );
document.write( ".0172f = 344<BR>\n" );
document.write( "f = 344/.0172<BR>\n" );
document.write( "f = 20,000 or about 20 kc, that's the upper limit of the human ear </SPAN>\n" );
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